[ctxcomponents] RQLCtxComponent: refactor init_rendering/render_body to ease overriding
init_rendering now simply execute the query to get result set to be displayed,
and store it in .cw_rset attribute.
Links to be displayed by default are now computed in render_body.
So you may now simply customise what to be displayed by overriding render_body.
Schema of the data
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First take a look at the data schema_ then try to remember that you are browsing
through a heap of data by applying stylesheets to the results of queries. This
site is not a content management system with items placed in folders. It is an
interface to a database which applies a view to retreived data.
.. _schema: schema